@misc{indiciae3484a0fd86de,
  title = {[Echocardiography: current status and development trends].},
  author = {Iu G Gorb and A V Zhmuro},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2202061/},
  note = {Source identifier: 2202061}
}